PCIe 3.0 M.2 Key A.E. to M.2 Key M NVMe Female Extension Cable

PCIe 3.0 M.2 Key A.E. to M.2 Key M NVMe Female Extension Cable

The PCIe 3.0 M.2 Key A.E. to M.2 Key M NVMe Female Extension Cable is a versatile adapter solution designed to enable NVMe SSD connectivity through an M.2 Key A or Key E slot. This cable converts a standard M.2 Wi‑Fi interface (Key A+E) into a dedicated M.2 Key M slot, allowing users to install an NVMe M.2 SSD in systems that lack a native M.2 Key M port. The physical Key M female connector on the target end supports M.2 modules in form factors 2280, 2260, 2242, and 2230 with Key M or Key B+M based on PCIe (NVMe). While the connector is Key M, the actual PCIe lane count is determined by the host M.2 slot—typically one lane (x1) at PCIe 3.0 speeds, delivering up to 8 Gbps of raw bandwidth. This cable is an ideal solution for upgrading compact systems such as mini‑PCs, NUCs, laptops, and all‑in‑one desktops with NVMe storage performance without requiring a motherboard replacement. Engineered with high‑quality shielded cable construction, robust PCB protection, and precise impedance control, the cable ensures reliable signal integrity at PCIe 3.0 speeds and provides a cost‑effective, space‑saving storage expansion pathway.

Features

• The cable features an M.2 Key A+E male connector on the host side, compatible with standard M.2 slots commonly used for Wi‑Fi or Bluetooth modules. It provides access to the available PCIe lane(s), clock signals, and 3.3V power from the host system.
• On the target end, the cable presents a standard M.2 Key M female slot, supporting NVMe M.2 SSDs in form factors 2280, 2260, 2242, and 2230. The slot is keyed and compliant with M.2 mechanical specifications, ensuring a secure fit for standard NVMe drives.
• The cable supports PCIe 3.0 signalling with a per‑lane data rate of up to 8.0 GT/s. The total throughput depends on the number of lanes available from the host M.2 slot—typically one lane (x1) on most Key A+E implementations, delivering approximately 8 Gbps of raw bandwidth. The physical Key M connector ensures compatibility with a wide range of NVMe SSDs, even if they operate at the available lane count.
• The cable is constructed with high‑quality 30 AWG axial cable, providing stable PCIe Gen3 performance at 8 Gbps or higher. Individual signal pairs are shielded to minimise electromagnetic interference and crosstalk, ensuring clean signal transmission.
• The PCB features durable design and materials optimised for high‑frequency and low‑attenuation signal transmission. Solder points are protected with PCB‑swaddling and fixed with bolts and nuts to prevent tearing and short circuits.
• The flexible cable is highly routable, foldable, and can be bent to fit tight spaces, enabling space‑saving installation inside computer cases. The cable thickness is approximately 1.4 mm, making it soft and easy to route without excessive force. However, bending or pulling within 2 cm of the solder joints between the cable and the PCB is not recommended.
• The cable is a passive assembly with no active redrivers, adding negligible latency and consuming no additional power from the host. It is compatible with Windows, Linux, and macOS without requiring proprietary drivers.
• Custom lengths are available upon request, with standard options typically ranging from 5 cm to 100 cm.

Specifications

• Product Name: PCIe 3.0 M.2 Key A.E. to M.2 Key M NVMe Female Extension Cable
• Host Interface: M.2 Key A+E Male (compatible with Key A or Key E slots)
• Target Interface: M.2 Key M Female slot (supports Key M or Key B+M NVMe SSDs)
• Supported Form Factors: 2230, 2242, 2260, 2280
• Data Transfer Rate: Up to 8.0 GT/s (PCIe 3.0) per lane; total bandwidth depends on host lane count (typically x1, approx. 8 Gbps)
• Supported Protocols: PCI Express 3.0 (NVMe), backward compatible with PCIe 2.0 and 1.0
• Lane Configuration: Physical Key M slot; electrical lanes provided are those available from the host M.2 (typically x1)
• Cable Type: Shielded flexible cable assembly with axial conductors
• Cable Gauge: 30 AWG
• Cable Length: Standard options include 15 cm, 20 cm, 25 cm; custom lengths from 5 cm to 100 cm available upon request
• Cable Thickness: Approx. 1.4 mm
• PCB Quality: High‑frequency, low‑attenuation design with solder point protection
• Shielding: Individual signal pair shielding with metal shielding
• Operating Temperature: -5°C to +70°C
• Power Delivery: Provides 3.3V power from the host M.2 slot (typically up to 3A) to the connected NVMe SSD; no additional power supply required
• Compatibility: Windows, Linux, macOS
• RoHS Compliance: Yes, fully compliant with RoHS and REACH directives

Applications

• This cable is ideal for adding NVMe storage performance to compact systems that lack a native M.2 Key M slot but have an available Key A or Key E slot, such as mini‑PCs, NUCs, laptops, and all‑in‑one desktops. It allows users to repurpose the Wi‑Fi slot for high‑speed storage expansion.
• It is also well‑suited for upgrading legacy systems where the motherboard does not include an M.2 NVMe connector. By utilising the existing M.2 Wi‑Fi interface, users can add modern NVMe SSD performance without replacing the entire motherboard.
• For system integrators and OEMs, the cable provides a flexible solution for adding storage options to compact form‑factor designs. The flexible cable length and routing capability allow the SSD to be positioned optimally within the chassis for improved airflow and thermal management.
• In prototyping and development environments, the cable enables easy connection of NVMe SSDs to test platforms that feature M.2 Key A+E slots, simplifying storage validation and performance testing.
• The cable is also valuable for DIY enthusiasts and educational projects, providing an accessible way to experiment with NVMe storage on affordable or legacy hardware platforms.

For custom lengths, special jacket materials, or alternative connector orientations, please contact our sales team to tailor the cable to your specific system requirements.

P3-M2AE-M2M

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